70271000 has 32 divisors (see below), whose sum is σ = 164436480. Its totient is φ = 28108000.

The previous prime is 70270997. The next prime is 70271009. The reversal of 70271000 is 17207.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70271000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70271009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34136 + ... + 36135.

It is an arithmetic number, because the mean of its divisors is an integer number (5138640).

Almost surely, 2^70271000 is an apocalyptic number.

It is an amenable number.

70271000 is an abundant number, since it is smaller than the sum of its proper divisors (94165480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70271000 is a wasteful number, since it uses less digits than its factorization.

70271000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70292 (or 70278 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 70271000 is about 8382.7799684830. The cubic root of 70271000 is about 412.6596871791.

Adding to 70271000 its reverse (17207), we get a palindrome (70288207).

The spelling of 70271000 in words is "seventy million, two hundred seventy-one thousand".